WO2014094750A1 - Radlagereinheit mit einer verschliessbaren abdeckung - Google Patents
Radlagereinheit mit einer verschliessbaren abdeckung Download PDFInfo
- Publication number
- WO2014094750A1 WO2014094750A1 PCT/DE2013/200261 DE2013200261W WO2014094750A1 WO 2014094750 A1 WO2014094750 A1 WO 2014094750A1 DE 2013200261 W DE2013200261 W DE 2013200261W WO 2014094750 A1 WO2014094750 A1 WO 2014094750A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cover
- wheel
- bearing unit
- wheel bearing
- seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0073—Hubs characterised by sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0005—Hubs with ball bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7873—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section
- F16C33/7876—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section with sealing lips
Definitions
- the invention relates to a wheel bearing unit having a wheel flange having a hub, provided for covering a wheel side facing away from Radflansches, wherein the cover is directly or indirectly fixed to the outer ring and forms a labyrinth seal together with the wheel flange.
- the cover may in this case be fastened on a stationary outer ring of the wheel bearing and axially cover the wheel flange, wherein a labyrinth seal may be provided radially on the outside.
- a labyrinth seal may be provided radially on the outside.
- the cover acts in combination with the surface of the wheel flange or with a labyrinth seal as a pre-seal, which is upstream of the actual sealing of the wheel bearing.
- the actual seal hereinafter also the main seal, can in this case consist of a cassette seal and / or have a sealing lip, wherein the sealing lip is in a sliding sealing contact.
- DE 10 2008 051 065 A1 discloses a cover for a wheel bearing unit, which has a cylindrical fastening area, with which it can be fastened on the outer ring of the wheel bearing unit and radially outwardly with a cylindrical extension forms a labyrinth seal, which forms a radial end of the wheel flange is formed.
- the invention has for its object to improve the disassembly properties and mounting properties, without affecting the advantageous sealing properties of the cover.
- This object is achieved with a wheel bearing unit of the type mentioned above in that the cover has at least one opening, can be passed through the wheel bolts for mounting or dismounting the wheel flange through the cover. It is advantageous that the opening used for the passage can be placed in such a way that it is exposed to little or no splash of water and thus does not or only slightly deteriorates the sealing effect of the cover.
- only one opening is required for disassembly of a plurality of bolts or similar fastening means, such as screws or the like.
- the opening is closable by means of a cover, in particular sealable.
- a cover may in this case be a stopper or a lid or the like, which closes the opening for splashing and other dirt entry. Since this is a static (non-abrasive) seal, the requirements for the cover are comparatively low.
- a round or cylindrical shape of the cover element is the simplest to realize, but in principle various shapes can be envisaged in order to be optimally placed on the opening at the respective point or in the respective application.
- the labyrinth seal forms a pre-seal to form a further seal, in particular a main seal, with at least one sealing lip lying in contact with it.
- This sliding-fitting sealing lip may be an axial sealing lip or a radial sealing lip, wherein the radial sealing lip exhibits a higher sealing capacity.
- the sealing properties required for a wheel bearing usually imply at least one sliding sealing lip.
- the life of this sealing lip is significantly extended by said pre-seal, so that also improves the life of the wheel bearing.
- the cover can be made in one piece, two parts or multiple parts. This multipartite may imply a fastening mechanism or lead to easy installability of the cover.
- coverable or sealable openings may be formed on the cover to prevent rotation of the wheel flange during assembly or disassembly. This may be useful in an automated application of the invention.
- FIG. 1 shows a wheel bearing unit in an angular ball bearing design in a longitudinal section
- Figure 2 shows a two-part cover with a closed, round opening
- FIG 3 shows the cover of Figure 2 with uncovered opening in an installation intermediate step.
- Figure 1 shows a wheel bearing in a wheel bearing unit, wherein the bearing itself is designed as angular contact ball bearings.
- the bias of the wheel bearing is maintained via a Wälznietbund the hub 25, the inner ring 22, which may also be divided into two, and the two rows of rolling elements 23 and the outer ring 27.
- the outer ring 27 further has attachment openings 28 which are mounted on a mounting flange which is provided for attachment to the wheel carrier.
- the wheel hub 25 has a wheel flange 15 on the axial side of the wheel, in the fastening openings of which bolts 26 are inserted. These bolts 26 can be used to attach a wheel rim, which is not shown.
- the bolts 26 have on the vehicle side on a head, which is not movable into the mounting opening due to the positive connection, but ensures axial retention relative to the wheel flange 15.
- the sealing of the Wälzraumes with the Wälz stresses with the Wälz stresses 1942n 23 of the wheel bearing unit is accomplished by the main seal 24 which is formed as a carrier sheet with an elastomer, wherein the elastomer has two axial and one radial sealing lip.
- the gap formed by the outer ring 27 and the wheel flange 15 is further sealed by the cover 10 by the radially outward cylindrical trained end piece 14 together with the radial end of the wheel flange 15 forms a labyrinth seal.
- the wheel flange 15 has a recess into which the end piece 14 partially encloses.
- the bolts 26 are readily installable and uninstallable by removing the lid 1 1 to provide space for assembly or disassembly.
- the cover 10 remains on the outer ring 27.
- the mounting flange with the mounting holes 28 has no annular shape, so that the bolts 26 can be removed with their entire length from the closable with the lid 1 1 opening.
- a preferred way to secure the cover 10 on the outer ring 27, consists in a cylindrical mounting portion 13 which is applied with a press fit on the outer surface of the outer ring.
- FIG. 2 shows the cover 10, wherein it can be seen that this is divisible into two equal halves, wherein the right half located the opening with the lid
- the lid 1 1 may be provided by a corresponding shape for locking in the opening 12 or due to a material elasticity in the opening
- the opening 12 can be introduced, whereby the opening 12 can be additionally sealed. It is conceivable, for example, a substantially conical shape of the lid 1 1, which leads to a jamming of the substantially round lid 1 1 in the opening 12.
- the lid 1 1 may be cylindrical, wherein the outer side of the cylinder is resiliently stressed by the opening limit and is held by this in the opening 12.
- the cover 10 can, as shown in Figure 3, be merged from two parts by a fastening force F is applied. In this way, the cover element 10 can also be retrofitted to a completely installed wheel bearing unit. gene, wherein by the fastening mechanism and the press fit of the mounting portion 13 is predefined.
- the attachment mechanism may be, for example, a snap-action mechanism, an adhesive bond or alternatively alternative methods for component connection.
- a lid 11 or the like is in many cases not necessary to cover the opening 12 when the opening 12 is placed in the installation of the cover 10 such that it is exposed to little or no water or dirt ,
- the invention relates to a wheel bearing unit with a cover, which is used as a pre-seal to a main seal and includes the fastening means of the wheel flange.
- the outstanding sealing effect has hitherto been favored, resulting in an assembly and disassembly disadvantage which the invention seeks to eliminate. Therefore, one or more openings are proposed, which are formed in the cover.
- the opening or openings allow easy disassembly or assembly of the fastening means on the wheel flange and can be advantageously closed, whereby both the sealing effect, and easy disassembly or assembly is possible.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020157019341A KR20150095922A (ko) | 2012-12-20 | 2013-10-30 | 폐쇄 가능한 커버를 갖는 휠 베어링 유닛 |
| CN201380064786.7A CN104837647A (zh) | 2012-12-20 | 2013-10-30 | 具有能封闭的覆盖件的车轮轴承单元 |
| US14/653,552 US9545822B2 (en) | 2012-12-20 | 2013-10-30 | Wheel bearing unit having a closable cover |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012223880.8 | 2012-12-20 | ||
| DE102012223880.8A DE102012223880B4 (de) | 2012-12-20 | 2012-12-20 | Radlagereinheit mit einer verschließbaren Abdeckung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014094750A1 true WO2014094750A1 (de) | 2014-06-26 |
Family
ID=49882735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2013/200261 Ceased WO2014094750A1 (de) | 2012-12-20 | 2013-10-30 | Radlagereinheit mit einer verschliessbaren abdeckung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9545822B2 (de) |
| KR (1) | KR20150095922A (de) |
| CN (1) | CN104837647A (de) |
| DE (1) | DE102012223880B4 (de) |
| WO (1) | WO2014094750A1 (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3421188A1 (de) * | 1984-06-07 | 1985-12-12 | SKF GmbH, 8720 Schweinfurt | Befestigung eines waelzlagers in einem gehaeuse o.dgl. |
| JP2006132618A (ja) * | 2004-11-04 | 2006-05-25 | Nsk Ltd | ハブユニット軸受 |
| WO2008126791A1 (ja) * | 2007-04-05 | 2008-10-23 | Jtekt Corporation | 車輪支持装置およびこれを用いた駆動軸装置 |
| DE102008051065A1 (de) | 2008-10-09 | 2010-04-15 | Schaeffler Kg | Radlageranordnung mit Dichtung |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2956632A (en) * | 1959-05-07 | 1960-10-18 | Gen Motors Corp | Wheel hub assembly |
| DE3024397A1 (de) * | 1980-06-28 | 1982-01-21 | Skf Kugellagerfabriken Gmbh | Waelzlager |
| NL8202445A (nl) * | 1982-06-16 | 1984-01-16 | Skf Ind Trading & Dev | Afdichting voor een wentellager-eenheid. |
| JPS62126384A (ja) * | 1985-11-27 | 1987-06-08 | Hitachi Ltd | 光学的物体検知装置 |
| DE10233509A1 (de) * | 2002-07-24 | 2004-02-19 | Daimlerchrysler Ag | Getriebegehäuse |
| JP4318205B2 (ja) * | 2003-06-23 | 2009-08-19 | Ntn株式会社 | 車輪用転がり軸受およびそれを備えた半浮動式車輪用軸受装置 |
| DE10359644A1 (de) | 2003-12-18 | 2005-07-28 | Fag Kugelfischer Ag | Außenring eines Radlagers und axiale Sicherung des Außenringes |
| JP4812263B2 (ja) | 2004-05-28 | 2011-11-09 | Ntn株式会社 | 車輪用軸受装置 |
| JP5422868B2 (ja) * | 2006-08-14 | 2014-02-19 | 株式会社ジェイテクト | 車軸用軸受装置 |
| JP4998983B2 (ja) | 2006-09-01 | 2012-08-15 | Ntn株式会社 | 車輪用軸受装置 |
| WO2008029508A1 (fr) | 2006-09-01 | 2008-03-13 | Ntn Corporation | Dispositif de palier pour une roue |
| DE102008038682A1 (de) * | 2008-08-12 | 2010-02-18 | Schaeffler Kg | Radträger mit Vordichtung |
| ITTO20120309A1 (it) * | 2012-04-06 | 2013-10-07 | Skf Ab | Gruppo cuscinetto-mozzo schermato per la ruota di un veicolo a motore |
-
2012
- 2012-12-20 DE DE102012223880.8A patent/DE102012223880B4/de not_active Expired - Fee Related
-
2013
- 2013-10-30 CN CN201380064786.7A patent/CN104837647A/zh active Pending
- 2013-10-30 US US14/653,552 patent/US9545822B2/en not_active Expired - Fee Related
- 2013-10-30 KR KR1020157019341A patent/KR20150095922A/ko not_active Withdrawn
- 2013-10-30 WO PCT/DE2013/200261 patent/WO2014094750A1/de not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3421188A1 (de) * | 1984-06-07 | 1985-12-12 | SKF GmbH, 8720 Schweinfurt | Befestigung eines waelzlagers in einem gehaeuse o.dgl. |
| JP2006132618A (ja) * | 2004-11-04 | 2006-05-25 | Nsk Ltd | ハブユニット軸受 |
| WO2008126791A1 (ja) * | 2007-04-05 | 2008-10-23 | Jtekt Corporation | 車輪支持装置およびこれを用いた駆動軸装置 |
| DE102008051065A1 (de) | 2008-10-09 | 2010-04-15 | Schaeffler Kg | Radlageranordnung mit Dichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| US9545822B2 (en) | 2017-01-17 |
| CN104837647A (zh) | 2015-08-12 |
| KR20150095922A (ko) | 2015-08-21 |
| US20160193873A1 (en) | 2016-07-07 |
| DE102012223880A1 (de) | 2014-06-26 |
| DE102012223880B4 (de) | 2018-05-03 |
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